1 files changed, 188 insertions, 0 deletions
diff --git a/lib/lufa/Projects/RelayBoard/Descriptors.c b/lib/lufa/Projects/RelayBoard/Descriptors.c
new file mode 100644
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+++ b/lib/lufa/Projects/RelayBoard/Descriptors.c
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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2010  OBinou (obconseil [at] gmail [dot] com)
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  USB Device Descriptors, for library use when in USB device mode. Descriptors are special
+ *  computer-readable structures which the host requests upon device enumeration, to determine
+ *  the device's capabilities and functions.
+ */
+
+#include "Descriptors.h"
+
+/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
+ *  device characteristics, including the supported USB version, control endpoint size and the
+ *  number of device configurations. The descriptor is read out by the USB host when the enumeration
+ *  process begins.
+ */
+const USB_Descriptor_Device_t PROGMEM RelayBoard_DeviceDescriptor =
+{
+	.Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
+
+	.USBSpecification       = VERSION_BCD(1,1,0),
+	.Class                  = USB_CSCP_VendorSpecificClass,
+	.SubClass               = USB_CSCP_NoDeviceSubclass,
+	.Protocol               = USB_CSCP_NoDeviceProtocol,
+
+	.Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,
+
+	.VendorID               = 0x04B4,
+	.ProductID              = 0xFD11,
+	.ReleaseNumber          = VERSION_BCD(2,0,0),
+
+	.ManufacturerStrIndex   = STRING_ID_Manufacturer,
+	.ProductStrIndex        = STRING_ID_Product,
+	.SerialNumStrIndex      = STRING_ID_Serial,
+
+	.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
+};
+
+/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
+ *  of the device in one of its supported configurations, including information about any device interfaces
+ *  and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
+ *  a configuration so that the host may correctly communicate with the USB device.
+ */
+const USB_Descriptor_Configuration_t PROGMEM RelayBoard_ConfigurationDescriptor =
+{
+	.Config =
+		{
+			.Header                 = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
+
+			.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
+			.TotalInterfaces        = 1,
+
+			.ConfigurationNumber    = 1,
+			.ConfigurationStrIndex  = NO_DESCRIPTOR,
+
+			.ConfigAttributes       = USB_CONFIG_ATTR_RESERVED,
+
+			.MaxPowerConsumption    = USB_CONFIG_POWER_MA(500)
+		},
+
+	.RelayBoardInterface =
+		{
+			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+			.InterfaceNumber        = INTERFACE_ID_RelayBoard,
+			.AlternateSetting       = 0,
+
+			.TotalEndpoints         = 0,
+
+			.Class                  = USB_CSCP_VendorSpecificClass,
+			.SubClass               = 0x00,
+			.Protocol               = 0x00,
+
+			.InterfaceStrIndex      = NO_DESCRIPTOR
+		},
+};
+
+/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
+ *  the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
+ *  via the language ID table available at USB.org what languages the device supports for its string descriptors.
+ */
+const USB_Descriptor_String_t PROGMEM RelayBoard_LanguageString =
+{
+	.Header                 = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
+
+	.UnicodeString          = {LANGUAGE_ID_ENG}
+};
+
+/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
+ *  form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
+ *  Descriptor.
+ */
+const USB_Descriptor_String_t PROGMEM RelayBoard_ManufacturerString = USB_STRING_DESCRIPTOR(L"SISPM");
+
+/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
+ *  and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
+ *  Descriptor.
+ */
+const USB_Descriptor_String_t PROGMEM RelayBoard_ProductString = USB_STRING_DESCRIPTOR(L"RelayBoard");
+
+/** Serial number string. This is a Unicode string containing the device's unique serial number, expressed as a
+ *  series of uppercase hexadecimal digits.
+ */
+const USB_Descriptor_String_t PROGMEM RelayBoard_SerialString = USB_STRING_DESCRIPTOR(L"00001");
+
+/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
+ *  documentation) by the application code so that the address and size of a requested descriptor can be given
+ *  to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
+ *  is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
+ *  USB host.
+ */
+uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
+                                    const uint16_t wIndex,
+                                    const void** const DescriptorAddress)
+{
+	const uint8_t  DescriptorType   = (wValue >> 8);
+	const uint8_t  DescriptorNumber = (wValue & 0xFF);
+
+	const void* Address = NULL;
+	uint16_t    Size    = NO_DESCRIPTOR;
+
+	switch (DescriptorType)
+	{
+		case DTYPE_Device:
+			Address = &RelayBoard_DeviceDescriptor;
+			Size    = sizeof(USB_Descriptor_Device_t);
+			break;
+		case DTYPE_Configuration:
+			Address = &RelayBoard_ConfigurationDescriptor;
+			Size    = sizeof(USB_Descriptor_Configuration_t);
+			break;
+		case DTYPE_String:
+			switch (DescriptorNumber)
+			{
+				case STRING_ID_Language:
+					Address = &RelayBoard_LanguageString;
+					Size    = pgm_read_byte(&RelayBoard_LanguageString.Header.Size);
+					break;
+				case STRING_ID_Manufacturer:
+					Address = &RelayBoard_ManufacturerString;
+					Size    = pgm_read_byte(&RelayBoard_ManufacturerString.Header.Size);
+					break;
+				case STRING_ID_Product:
+					Address = &RelayBoard_ProductString;
+					Size    = pgm_read_byte(&RelayBoard_ProductString.Header.Size);
+					break;
+				case STRING_ID_Serial:
+					Address = &RelayBoard_SerialString;
+					Size    = pgm_read_byte(&RelayBoard_SerialString.Header.Size);
+					break;
+			}
+
+			break;
+	}
+
+	*DescriptorAddress = Address;
+	return Size;
+}
+